界面隐显后继续流式输出；优化中断逻辑

pages/Chat/Chat.vue

@@ -1418,13 +1418,14 @@ import { openFile as openFileNative, downloadAndOpen } from '@/utils/fileOpener.
 			streamingMessageId.value = null
 		}
 		// 立即关闭弹窗，清除超时
-		// clearTimeout(aiResponseTimer)
 		isThinking.value = false
 		socketStore.isThinking = false
 		isSelfSent.value = false
 		textMessage.value = ''
 		uploadedFiles.value = []
-		// takeConversationMessages 由后端中断确认驱动（见 handleBusinessMessage）
+		// 中断后刷新消息列表，获取服务端最终状态
+		await takeConversationMessages()
+		// await takeUserConversations()
 		uni.showToast({
 			title: '已中断',
 			icon: 'none',
@@ -1982,10 +1983,23 @@ import { openFile as openFileNative, downloadAndOpen } from '@/utils/fileOpener.
 
 		if (chatType === 0) {
 			await takeUserConversations();
-			// 只有在会话ID存在时才获取消息
+			// 如果正在流式输出，跳过重新加载消息列表，避免打断流式输出
 			if (currentSessionId.value) {
-				isLoadingMessages.value = true
-				takeConversationMessages();
+				if (socketStore.isThinking) {
+					// 流式输出中：不刷新消息，但确保消息列表中包含流式气泡
+					// 如果流式气泡因某些原因丢失，重新创建
+					if (streamingMessageId.value && !allmessages.value.some(m => m._id === streamingMessageId.value)) {
+						allmessages.value = [...allmessages.value, {
+							role: 'assistant',
+							content: socketStore.messageString || '',
+							_streaming: true,
+							_id: streamingMessageId.value
+						}]
+					}
+				} else {
+					isLoadingMessages.value = true
+					takeConversationMessages();
+				}
 			}
 			// AI 对话页面：主动建立 socket 连接，确保消息实时推送
 			if (userToken.value && currentSessionId.value && !socketStore.isConnected) {